[PATCH] PCI: mediatek: Fix unchecked return value
From: Gustavo A. R. Silva
Date: Fri Jul 20 2018 - 11:02:04 EST
Check return value of devm_pci_remap_iospace.
Notice that, currently, all instances of devm_pci_remap_iospace
are being checked.
Addresses-Coverity-ID: 1471965 ("Unchecked return value")
Signed-off-by: Gustavo A. R. Silva <gustavo@xxxxxxxxxxxxxx>
---
drivers/pci/controller/pcie-mediatek.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/pci/controller/pcie-mediatek.c b/drivers/pci/controller/pcie-mediatek.c
index 861dda6..1477939 100644
--- a/drivers/pci/controller/pcie-mediatek.c
+++ b/drivers/pci/controller/pcie-mediatek.c
@@ -1109,7 +1109,9 @@ static int mtk_pcie_request_resources(struct mtk_pcie *pcie)
if (err < 0)
return err;
- devm_pci_remap_iospace(dev, &pcie->pio, pcie->io.start);
+ err = devm_pci_remap_iospace(dev, &pcie->pio, pcie->io.start);
+ if (err)
+ return err;
return 0;
}
--
2.7.4